Zig

Download a Zip from a URL and OpenBd. (No .zip file is created)

See more Zip Examples

Demonstrates how to download a .zip from a URL, opens the Zip, and gets the contents of a file. No file is ever written. Zig

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

    var success: bool = false;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    const http = try chilkat.Http.init();
    defer http.deinit();

    const bd = try chilkat.BinData.init();
    defer bd.deinit();

    // This URL is valid and can be tested...
    success = if (http.quickGetBd("https://chilkatdownload.com/example_data/hamlet.zip", bd)) true else |_| false;
    if (!http.getLastMethodSuccess()) {
        std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        return;
    }

    const zip = try chilkat.Zip.init();
    defer zip.deinit();

    // Open the zip from the bytes contained in bd.
    success = if (zip.openBd(bd)) true else |_| false;
    if (!success) {
        std.debug.print("{s}\n", .{try zip.getLastErrorText(alloc)});
        return;
    }

    // Get the entry for the file we want..
    const entry = try chilkat.ZipEntry.init();
    defer entry.deinit();
    success = zip.entryOf("hamlet.xml", entry);
    if (!success) {
        std.debug.print("{s}\n", .{try zip.getLastErrorText(alloc)});
        return;
    }

    // Convert all line endings to CRLF (if needed)
    const line_ending_behavior = 2;
    const xml_str = entry.unzipToString(alloc, line_ending_behavior, "utf-8") catch {
        std.debug.print("{s}\n", .{try entry.getLastErrorText(alloc)});
        return;
    };

    // The XML in this case is about 274K, so let's just examine the last 20 lines...
    const sb = try chilkat.StringBuilder.init();
    defer sb.deinit();
    sb.append(xml_str) catch {};

    std.debug.print("{s}\n", .{try sb.lastNLines(alloc, 20, true)});
}